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IL-2 Sturmovik: Birds of Prey Famous title comes to consoles. |
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#1
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There's only one real reason to do it - quick angles leading to a sure shot. If your opponent fails to dodge, you'll get the angles just by reducing the turn radius so much. The problem is you can't turn well at the top of the turn, and your opponent can easily roll out of the way if they see you. I read somewhere authoritative that the spitfire mk 2's corner speed was around 270 (kph). I think it was in the pilot's manual, either that or an e-m diagram someplace. It seems about right but in BOP I think it's more like 300kph. That would be, about, hmm, about 187mph. The best opportunity for yo-yo's is near the beginning of the fight, when you've got plenty of speed and can quickly trade it for altitude. But if you find you're chasing some snail pilot round and round at 250kph, you're both below corner speed. The target sacrifices turn rate for low turn radius in a desperate bid to generate angle-off-tail. If you simply try to get inside their circle, you end up making the same trade of high turn rate for low turn radius. Suppose you don't constantly try to reduce AOT to zero? (this is called "lag pursuit" in the US). Instead keep your plane faster, nearer its corner speed. You'll stay outside the target's circle, but you'll also turn your circle faster than they turn theirs. This means that as long as you're careful not to give them a chance to switch direction and make you overshoot, you break the stalemate. With you doing faster circles, they can't catch you; but since your circles are faster, you can catch them. That's not what you do of course, with lag pursuit catching them would just be passing them on the outside. Instead, you maintain the same distance behind them by trading the extra turn rate for altitude. When it's done right, this tilts your circle until the top of it is inside your target's circle. That is when you pull max-g and make the low-radius move, turning lag pursuit into lead pursuit. Also, don't let your eyes deceive you about how fast someone is turning. You can both be turning at a faster rate, yet see the opponent generate AOT by turning lower radius. And even if you're doing the same turn rate and turn radius, they can still get angles because the centers of your turn "circles" are not the same. So no matter which way you turn, the attacker is likely to get at least one shot. That's why lead pursuit is more immediately dangerous, but also risky, because it is much easier to make a lead pursuer overshoot. When you've got a lead pursuer bearing down on you (when you look all the way up, there they are in the middle of the screen), you need to do more than just pick a direction and turn. If you've got a spit or a hurricane, you can try flat scissors, but they'll still get at least one shot. The attacker's "guns plane" is a 2-d region delineated by the longitudinal and vertical axes of the fighter; meaning their goal is to get you either above or below their fighter's nose and then fire a long burst while keeping you on that line. If you turn as hard as you can, you reduce your ability to roll, giving the attacker the time they need to line you up in their guns plane. But if you roll instead, they can't keep you in their guns plane. The best they can do is roll also, then maneuver for a quick shot as you pass through their guns plane. Last edited by kozzm0; 12-26-2009 at 09:39 AM. |
#2
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I have been meaning to learn how to utilize the lag persuit more effectively. In Aces High II, I used that tactic often with great success in the P-38, but the flight dynamics are different here.
If you have a video of a lag pursuit, I'd like to see that. Yes, I noticed that executing a rolling scissors can be very effecient to reduce the chances of getting downed by an enemy, but the flight slows down very quickly and I can't seem to stay within corner speed as well as my opponent. Any way to do so in a slo battle like a rolling scissors? So far I've just been retracting flaps as I dive and drop them into combat position as soon as I start pulling up from 0 fpm climb on the variometer. At the top of the loop, I raise them, dive, rinse, wash, repeat. |
#3
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The rolling scissors is one of my favorite moves, except when I fight Mirgervin, who does it better than me, and counters better when I try to start one.
Almost the sole objective of a rolling scissors is to minimize your forward velocity. It's not important to maintain corner speed, because you get angles by adding the 3d spiral element just like in a Lufbery. It's a way of getting a high degree-of-turn rate at reduced speed. It's almost like a battle of barrel rolls, and you can do those at almost whatever speed. Just keep the speed high enough to maintain the maneuver, and no more. apply power on the climb, and reduce throttle on the dive. Make the climbs and dives as steep as you can without losing track of the opponent or allowing them space to attack. I can tell you one well-known trick that's supposed to work, but I've never quite been able to do it: at the start of the climb end of a rolling scissors, stop rolling when your plane is level, apply max throttle and pull up to a vertical climb, going higher than the scissors was; then roll 180 and pull the nose down so your plane is inverted horizontal. At this point you should see the opponent in the climb phase and slightly in front, because you momentarily reduced your horizontal V to zero. Pull the nose straight down (facing the direction the scissors is coming from), dive a bit, then roll 180 towards the opponent as they go over the top of their circle. At this point you should be able to keep the throttle low and simply keep rolling until they're in front. If you can make this work, congratulations - I can't. It also may take more than one high climb to make some opponents overshoot. I just adapt the concept to the basic maneuver - try to move up and down as much as possible, instead of forward. Last edited by kozzm0; 12-27-2009 at 11:05 AM. |
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